National University of Singapore

Yong Kang Ong

Jonghak Lee

Barbaros Oezyilmaz

Cagdas Cetin

Xiao Feng Lim

Clarissa Chui Ling Wong

A monolithic carbon foam formed of fused onion-like carbon (OLC) nanoparticles, in which the monolithic carbon foam contains interconnected pores, has a volumetric micropore surface area of 200 m/cc-600 m/cc, and has an electrical conductivity of 20 cm-140 S/cm. Also disclosed are a fractal carbon foam prepared from the monolithic carbon foam, methods of preparing both foams, and supercapacitors constructed therefrom. Specifically, the methods of preparing the foams comprising, inter alia, spark plasma sintering the OLC nanoparticles at a pressure of 30 MPa-1000 MPa and a temperature of 300° C.-800° C. for 2 seconds-30 minutes.

Monolithic and fractal carbon foams and methods of preparing and using same

A monolithic carbon foam formed of fused onion-like carbon (OLC) nanoparticles, in which the monolithic carbon foam contains interconnected pores, has a volumetric micropore surface area of 200 m/cc-600 m/cc, and has an electrical conductivity of 20 s/cm-140 s/cm. Also disclosed are electrodes and energy storage devices constructed therefrom.

Growing community of inventors

Singapore, Singapore

Yong Kang Ong